If I hadn't stood under the ladder to catch you when you fell,you___now.为何不用C?A.wouldn't be smiling B.won't smileC.couldn't be smiling D.didn't smile为何不用C?
问题描述：
If I hadn't stood under the ladder to catch you when you fell,you___now.为何不用C?
A.wouldn't be smiling B.won't smile
C.couldn't be smiling D.didn't smile
为何不用C?
答
虚拟语句，只能用could.
答
此句为虚拟语气，你可以去查虚拟语气的各种用法，在这里，只能用would do，所以选A
答
would / should / could / might 这些词在虚拟句中都可能出现,至于选哪个才更合适,都是根据语境来决定.句中的口吻是想要表达 “要不是我.,你现在就笑不出来了”这样一层意思.所以A是正选,用 wouldn't be 比 couldn't...